Here is the appearance of 23rd St. vicinity and tunnel 2 today in the era of rebuilding of the Caltrain line and the erasure of the 1907 Bayshore Cutoff appurtenances, due to seismic concerns. It is an interesting process that within a matter of months will see Quint St. and 23rd and 22nd and Paul Ave. bridges all effaced and replaced with modern seismically correct overcrossings or, in the case of Quint St., fill.

This is a plane at San Bruno.


This is a train at San bruno.


Here is a train at Sierra Point in Brisbane.


Here is tunnel 2 north portal


Here is a view of the worksite at 23rd St.